Replacement Service

If your LID helmet has been involved in an accident and has been damaged, you may be eligible for a 50% discount on a new LID helmet.

To learn if you qualify, please email us at with the information below:

  • Picture(s) of the damaged LID helmet;
  • Your date of purchase;
  • Your full name;
  • Your phone number; 
  • Your shipping address.

Once we check your information, we will send you a 50% discount code by email.

If you have any questions regarding this, please use the contact form below.

Sizing & Fit

Helmet sizing & fit guide

**Please note: Only medium size available at this moment. Please make sure it will fit you with our fitting guide below.** 

Get your size

Mobile phone cable & ruler method (video below)
1) Place your ruler on a table in front of you.
2) Use both hands and wrap your mobile phone cable around your head, just above your eyebrows.
3) Wrap until both hands meet at the back of your head.
4) Hold the points at which the cables meet and measure against your ruler.
5) Make a note of the measurement, this is your head size!

Measuring tape method (in video below too)
1) Wrap measuring tape around your head, just above your eyebrows.
2) Wrap until both sides of the tape measure meet.
3) Make a note of the point where the tape measures meet.
4) Make a note of the measurement, this is your head size!

Why do you only have one size?

We're a British startup based in London and we've just launched. So, we only have medium available at this moment (55cm - 58cm).

This captures most head sizes for both men & women. We're developing a full size range, which should be available in the next few months!


One size fits all.